body {
    font-family: sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background-color: white;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    width: 400px;
}

h1 {
    text-align: center;
    color: #333;
}

input[type="text"] {
    width: calc(100% - 70px);
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 3px;
    margin-right: 10px;
}

button {
    padding: 10px;
    border: none;
    background-color: #28a745;
    color: white;
    border-radius: 3px;
    cursor: pointer;
}

ul {
    list-style-type: none;
    padding: 0;
    margin-top: 20px;
}

li {
    padding: 10px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

li:last-child {
    border-bottom: none;
}

.delete-button {
    background-color: #dc3545;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 3px;
    cursor: pointer;
}